linux-kernel - Re: [PATCH] AMD IOMMU: disable suspend/resume with IOMMU enabled (for now)

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Date:	Mon, 30 Jun 2008 20:35:50 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Joerg Roedel <joerg.roedel@....com>
Cc:	mingo@...hat.com, tglx@...utronix.de, linux-kernel@...r.kernel.org,
	iommu@...ts.linux-foundation.org, bhavna.sarathy@....com,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: [PATCH] AMD IOMMU: disable suspend/resume with IOMMU enabled
	(for now)


* Joerg Roedel <joerg.roedel@....com> wrote:

> This patch disables suspend/resume on machines with AMD IOMMU enabled. 
> Real suspend/resume support for AMD IOMMU is currently being worked 
> on. Until this is ready it will be disabled to avoid data corruption 
> when the IOMMU is not properly re-enabled at resume. The patch is 
> based on a similar patch for the GART driver written by Pavel Machek. 
> The overall driver merged into tip/master is tested with parallel disk 
> and network loads and showed no problems in a test running for 3 days.

applied to tip/x86/amd-iommu, thanks Joerg.

	Ingo
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